MetaCyc Pathway: formaldehyde assimilation III (dihydroxyacetone cycle) in Rhodospirillum rubrum S1H

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Reactions and Genes carbon source anaerobic Succinic Acid 31.25 mM
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Transketolase:
D-sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate→D-ribose 5-phosphate + D-xylulose 5-phosphate (EC 2.2.1.1)
Rru_A0595 N.D.
Rru_A2405 +0.7
Ribose-5-phosphate isomerase:
D-ribose 5-phosphate→D-ribulose 5-phosphate (EC 5.3.1.6)
Rru_A1334 +0.4
Rru_A1359 -0.4
Rru_A1828 N.D.
Ribulose-phosphate 3-epimerase:
D-ribulose 5-phosphate→D-xylulose 5-phosphate (EC 5.1.3.1)
Rru_A2402 N.D.
Formaldehyde transketolase:
D-xylulose 5-phosphate + formaldehyde→D-glyceraldehyde 3-phosphate + dihydroxyacetone (EC 2.2.1.3)
No genes
Glycerone kinase:
dihydroxyacetone + ATP→glycerone phosphate + ADP + H+ (EC 2.7.1.29)
Rru_A1340 -1.0
Rru_A1341 -0.8
Rru_A1360 N.D.
Rru_A1361 -0.4
Fructose-bisphosphate aldolase (in reverse):
glycerone phosphate + D-glyceraldehyde 3-phosphate→β-D-fructofuranose 1,6-bisphosphate (EC 4.1.2.13)
Rru_A0596 -1.3
Rru_A1345 +0.6
Rru_A2509 +0.2
Triose-phosphate isomerase (in reverse):
glycerone phosphate→D-glyceraldehyde 3-phosphate (EC 5.3.1.1)
Rru_A1358 N.D.
Rru_A1889 N.D.
Fructose-bisphosphatase:
β-D-fructofuranose 1,6-bisphosphate + H2O→β-D-fructofuranose 6-phosphate + phosphate (EC 3.1.3.11)
Rru_A2403 -2.6
Rru_A2409 -0.2
Glyceraldehyde-3-phosphate dehydrogenase (phosphorylating):
D-glyceraldehyde 3-phosphate + NAD+ + phosphate→3-phospho-D-glyceroyl phosphate + NADH + H+ (EC 1.2.1.12)
Rru_A0222 N.D.
Transketolase (in reverse):
β-D-fructofuranose 6-phosphate + D-glyceraldehyde 3-phosphate→D-xylulose 5-phosphate + D-erythrose 4-phosphate (EC 2.2.1.1)
Rru_A0595 N.D.
Rru_A2405 +0.7
Phosphoglycerate kinase (in reverse):
3-phospho-D-glyceroyl phosphate + ADP→3-phospho-D-glycerate + ATP (EC 2.7.2.3)
Rru_A0221 N.D.
Transaldolase (in reverse):
β-D-fructofuranose 6-phosphate + D-erythrose 4-phosphate→D-sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate (EC 2.2.1.2)
Rru_A1357 -0.5

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Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information